Glass sliding doors allow the living and dining areas to open up to the garden, so that the family can easily entertain. “The living room and dinning room are lined in wood to give them a warm feeling in contrast to the concrete floor and ceiling,” says Cesarman. The concrete wall features a chimney crafted of black granite for added visual interest.  Indoor-Outdoor Retreats in Mexico by Allie Weiss from Modern Open-Plan Retreat in Mexico City